/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
**     of its contributors may be used to endorse or promote products derived
**     from this software without specific prior written permission.
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**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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****************************************************************************/

#include <QtGui>

class Updater : public QObject
{
    Q_OBJECT

public:
    Updater(QWidget *widget);

public slots:
    void adjustSize();

private:
    QWidget *widget;
};

Updater::Updater(QWidget *widget)
    : widget(widget)
{
}

void Updater::adjustSize()
{
    widget->adjustSize();
}

int main(int argc, char *argv[])
{
    QApplication app(argc, argv);
    QLabel *label = new QLabel("My label");
    QLineEdit *editor = new QLineEdit("New text");
    QWidget window;
    //Updater updater(&label);
    QObject::connect(editor, SIGNAL(textChanged(const QString &)),
                     label, SLOT(setText(const QString &)));
    //QObject::connect(editor, SIGNAL(textChanged(const QString &)),
    //                 &updater, SLOT(adjustSize()));
    //editor.show();
    //label.show();
    QVBoxLayout *layout = new QVBoxLayout;
    layout->addWidget(label);
    layout->addWidget(editor);
    window.setLayout(layout);
    window.show();
    return app.exec();
}

#include "main.moc"
